Controller for a robot



FIG. 1 is a front perspective view of a controller for a robot showingour new design;

FIG. 2 is a front view thereof,

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

CLAIM The ornamental design for a controller for a robot, as shown anddescribed.